Index: trunk/psphot/src/psphotGuessModels.c
===================================================================
--- trunk/psphot/src/psphotGuessModels.c	(revision 18555)
+++ trunk/psphot/src/psphotGuessModels.c	(revision 19881)
@@ -59,6 +59,6 @@
 	    // these valuse are set in pmSourceModelGuess, should this rule be in there as well?
 	    if (source->mode &  PM_SOURCE_MODE_SATSTAR) {
-		modelEXT->params->data.F32[PM_PAR_XPOS] = source->moments->x;
-		modelEXT->params->data.F32[PM_PAR_YPOS] = source->moments->y;
+		modelEXT->params->data.F32[PM_PAR_XPOS] = source->moments->Mx;
+		modelEXT->params->data.F32[PM_PAR_YPOS] = source->moments->My;
 	    } else {
 		modelEXT->params->data.F32[PM_PAR_XPOS] = source->peak->xf;